Types of props: cartoon doll costume size: one size Material: Polyester Power supply mode: 4 AA batteries (this product does not include batteries, you need to buy it yourself, please understand) Package: Contains one blower, one battery box, one product Steps for usage: 1. Put the battery in the battery box 2. Open the ring above the blower 3. Put the blower into the product, put the ring on the outside, rotate and fix it 4. Connect the USB interface to the battery box, turn on the switch, put it in the pocket, and finally put on the inflatable suit 5. Know that inflation is complete. Note: For the specific operation process, please refer to the pictures on the details page